Finite Group Databasebeta

C7×#4025 #11765124

order1120
automorphism?
homologyAbelianization (H1) = C23×C7 · Schur multiplier (H2) = C2

Aliases

direct productC7×#4025

Splittings

HallC5×C7 ⋊ #126
SylowC5 ⋊ C7×#126

Subgroups

subgroupG/H
centerC22×C7C22×D5
commutator, cosocleC22×C5C23×C7
FrattiniC22C22×C7×D5
FittingC5×C7×C22⋊C4C2
socleC22×C5×C7C23
prime radicalC23×C5×C7C22
hypercenterC7×C22⋊C4D5
hypocenterC5C7×#126
LCSG ▷ C22×C5 ▷ C5
UCSC1 ◁ C22×C7 ◁ C7×C22⋊C4

120 conjugacy classes of subgroups; only the 58 normal subgroups are shown.

normal subgroups only

This group has 120 conjugacy classes of subgroups — too many to draw. Only its 58 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 28
transitive degreeμt(G) = 560

A minimal faithful permutation representation — 3 generators on 28 points:

(1,2,3,4,5,6,7)(8,9,11,12,10)(14,18)(17,20)(23,27)(25,28);(13,15,16,19)(14,17,18,20)(21,23,24,27)(22,25,26,28);(9,10)(11,12)(13,14)(15,17)(16,18)(19,20)(21,22,24,26)(23,25,27,28)

Conjugacy classes & character table

238 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1120, 730);